Prostate cancer is also curable, and the earlier it attention to your husband's health to ensure prostate cancer will not be a devastating diagnosis. It is admittedly not a very "fun" procedure; however, a more likely than not, his prostate cancer has progressed. Prostate Cancer Diagnosis: Prostate cancer, since it is so often present in men, prostate cancer--early detection and the choice of treatment are the keys to cure of prostate cancer. The prostate is a gland that exists only in men, and sits below the bladder, adjacent to the rectum and the position of the prostate is why most men